code: def __init__(self, command_channel_url, tuner, assessor=None):
      super().__init__(command_channel_url)
      self.tuner = tuner
      self.assessor = assessor
      if assessor is None:
          _logger.debug("Assessor is not configured")
  
imports: import logging
  from collections import defaultdict
  from nni import NoMoreTrialError
  from nni.assessor import AssessResult
  from .common import multi_phase_enabled
  from .env_vars import dispatcher_env_vars
  from .msg_dispatcher_base import MsgDispatcherBase
  from .tuner_command_channel import CommandType
  from ..common.serializer import dump, load
  from ..utils import MetricType
label_desc: Use image node_id 1 to create a new MsgDispatcher object from inherited base classes: MsgDispatcherBase with example: obj = MsgDispatcher(command_channel_url, tuner, assessor)